Chapter 8

Question 1

A storage medium is the?

Answer 1

physical material on which a computer keeps data, information, programs, and applications

Question 2

Cloud storage does what?

Answer 2

keeps information on servers on the Internet, and the actual media on which the files are stored are transparent to the user

Question 3

A storage device is the?

Answer 3

hardware that records and/or retrieves items to and from storage media

Question 4

reading storage is the?

Answer 4

process of transferring items from a storage medium to memory

Question 5

writing is the process of?

Answer 5

transferring items from memory to a storage medium

Question 6

megabyte is?

Answer 6

one million bytes

Question 7

gigabyte is?

Answer 7

one billion bytes

Question 8

terabyte is?

Answer 8

one trillion bytes

Question 9

A screen display is considered volatile because?

Answer 9

its contents disappear when power is removed.

Question 10

A screen display is considered volatile because what?

Answer 10

A screen display is considered volatile because its contents disappear when power is removed. Likewise, most RAM is volatile. That is, its contents are erased when power is removed from a computer or mobile device. Storage, by contrast, is nonvolatile. Its contents remain when power is off.

Question 11

Access time measures what two things?

Answer 11

The amount of time it takes a storage device to locate an item on a storage medium
The time required to deliver an item from memory to the processor

Question 12

A hard disk, also called a hard disk drive (HDD) contains?

Answer 12

one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information

Question 13

The storage capacity of hard disks varies and is determined by 4 things?

Answer 13

The number of platters the hard disk contains
The composition of the magnetic coating on the platters
Whether the disk uses longitudinal or perpendicular recording
Density

Question 14

Characteristics of a hard disk include?

Answer 14

Tracks
Sectors
Platters
Form factor
READ/WRITE HEAD
Revolutions per minute

Question 15

An SSD (solid state drive) is a?

Answer 15

flash memory storage device that contains its own processor to manage its storage

Question 16

An external hard drive is a?

Answer 16

separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device

Question 17

RAID (redundant array of independent disks) is a?

Answer 17

group of two or more integrated hard drives

Question 18

A memory card is a?

Answer 18

removable flash memory storage device that you insert and remove from a slot in a computer, mobile device, or card reader/writer
SDHC
SDXC
miniSD
microSDHC

Question 19

USB flash drives are what?

Answer 19

plug into a USB port on a computer or mobile device

Question 20

Cloud storage is an?

Answer 20

Internet service that provides storage to computer or mobile device users

Question 21

An optical disc consists of a?

Answer 21

flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser
- Optical discs commonly store items in a single track that spirals from the center of the disc to the edge of the disc

Question 22

A CD-ROM can be read from but not written to
Single-session disc
A CD-R is an optical disc on which users can write once, but not erase
A CD-RW is an erasable multisession disc

Answer 22

A CD-ROM can be read from but not written to
Single-session disc
A CD-R is an optical disc on which users can write once, but not erase
A CD-RW is an erasable multisession disc

Question 23

A DVD-ROM is a high-capacity optical disc on which users can read but not write on or erase
A DVD-R or DVD+R are competing DVD-recordable WORM formats, on which users can write once but not erase
DVD-RW, DVD+RW, and DVD+RAM are competing DVD-rewritable formats that users can write on multiple times

Answer 23

A DVD-ROM is a high-capacity optical disc on which users can read but not write on or erase
A DVD-R or DVD+R are competing DVD-recordable WORM formats, on which users can write once but not erase
DVD-RW, DVD+RW, and DVD+RAM are competing DVD-rewritable formats that users can write on multiple times

Question 24

Enterprise hardware does what?

Answer 24

allows large organizations to manage and store data and information using devices intended for heavy use, maximum efficiency, and maximum availability
RAID duplicates data, instructions, and information to improve data reliability

Question 25

Network attached storage (NAS) is a?

Answer 25

server that is placed on a network with the sole purpose of providing storage to users, computers, and devices attached to the network

Question 26

A storage area network (SAN) is a?

Answer 26

high-speed network with the sole purpose of providing storage to other attached servers

Question 27

Tape is a?

Answer 27

magnetically coated ribbon of plastic capable of storing large amounts of data and information
A tape drive reads and writes data and information on a magnetic tape

Question 28

A magnetic stripe card has a?

Answer 28

magnetic stripe that contains information

Question 29

A smart card stores data on an?

Answer 29

integrated circuit embedded in the card

Question 30

The RFID tag consists of an?

Answer 30

antenna and a memory chip that contains the information to be transmitted via radio waves

Question 31

An RFID reader does what?

Answer 31

reads the radio signal and transfers the information to a computer or computing device